Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$5,000+< $25 / hr2 - 9
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See all 14 projectsAt Olive Software, we provide AI-powered solutions for web and mobile applications. Our expertise lies in seamlessly integrating artificial intelligence into scalable, high-performance apps that
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Undisclosed$100 - $149 / hr2 - 9
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See all 1 projectsNeek Studio specializes in Website Development and Web Design, with a strong emphasis on VR and interactive applications. Reviews consistently highlight their professionalism, exceptional communication, and the high quality of their deliverables, which have demonstrated tangible positive outcomes. Clients commend their proactive approach and dedication to timely project completion.
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$1,000+$100 - $149 / hr2 - 9West Perth, Australia
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See all 1 projectsAt AdVantag we specialize in helping businesses grow and succeed online. Our team of experienced digital marketers uses tailored strategies in social media marketing, paid advertising,
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$1,000+$25 - $49 / hr2 - 9Bristol, PA
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See all 1 projectsRazen Studios offers comprehensive Website Development services, including Web Design and Web Programming. Clients consistently praise their timely delivery, smooth project management, and technical expertise. For instance, Razen Studios successfully developed a WordPress-based website for a restaurant, impressing the client with their honesty and technical capabilities.
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$5,000+$100 - $149 / hr2 - 9
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Established in 2015, Mediasans LLC is an UX design company. The team specializes in UX/UI Design and Product Design and is headquartered in Los Angeles, California.
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Undisclosed$25 - $49 / hr2 - 9Morelia, Mexico
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VRISystems is a web design agency headquartered in Morelia, Mexico. Established in 2016, the team specializes in Web Design and Digital Strategy.
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$1,000+$25 - $49 / hr2 - 9Albuquerque, NM
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Rodi Digital Solutions, a web design agency, is based in Albuquerque, New Mexico. Their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Budapest, Hungary
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Software development firm Implest Digital Agency is in Budapest, Hungary. Founded in 2018, the team provides Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9Baia Mare, Romania
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Rocoders is a web development company established in 2015. The small team focuses on Web Development and Custom Software Development.
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$5,000+$25 - $49 / hr2 - 9Poznań, Poland
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HugeServices is a custom software development firm. They are located in Poznań, Poland, and their services include Custom Software Development and Mobile App Development.
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$10,000+$25 - $49 / hr2 - 9
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Small software development company ProgInnova, is in San Jose, Costa Rica. The team provides Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9
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Website development company uDream Solutions was established in 2010. Headquartered in London, England, the team offers Web Development and Email Marketing.
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$10,000+$50 - $99 / hr2 - 9
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Blocksoft is a Blockchain company. They were founded in 2018, and their services include Blockchain and Mobile App Development.
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$10,000+$25 - $49 / hr2 - 9Cluj-Napoca, Romania
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Out For Web is a mobile app development firm. They are located in Cluj-Napoca, Romania, and their services include Mobile App Development and Web Development.
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$1,000+< $25 / hr2 - 9Gangpur, India
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Wearable App Development company MJ TECH INDIA is based in Gangpur, India. They offer Wearable App Development and Graphic Design and were established in 2019.
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$1,000+< $25 / hr2 - 9Hoshiarpur, India
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Pixinite Technologies LLP is a graphic design company. Founded in 2019, the firm is in Hoshiarpur, India. Their services include Graphic Design and Social Media Marketing.
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$1,000+$25 - $49 / hr2 - 9Harare, Zimbabwe
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Nya Simango Digital is a small app development company. Launched in 2018, the team focuses on Mobile App Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9Dar es Salaam, Tanzania
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Stacktech Solutions, a software development company, is in Dar es Salaam, Tanzania. Launched in 2019, the team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Casper, WY
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DevsAxe is a mobile application development company. Their team is located in Casper, Wyoming and specializes in Mobile App Development and Application Testing.
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$25,000+< $25 / hr2 - 9Pardubice, Czech Republic
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BeWebly is a graphic design company. They are headquartered in Pardubice, Czech Republic, and their services include Graphic Design and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Chennai, India
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UX design agency Brandezco provides UX/UI Design and Web Design. They were launched in 2020.
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$1,000+< $25 / hr2 - 9Paris, France
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Crazybycode is a small web development firm located in Paris, France. The team specializes in Web Development and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9New York, NY
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Conceptual is a custom software development company. Launched in 2020, their team offers Custom Software Development and Mobile App Development.
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$25,000+Undisclosed2 - 9Ho Chi Minh City, Vietnam
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Alpha Experience is a custom software development firm. The team provides Custom Software Development and Web Development, and the firm is located in Ho Chi Minh City, Vietnam.
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$1,000+$50 - $99 / hr2 - 9Glasgow, Scotland
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Established in 2021, Wavey is a web development company. The small team specializes in Web Development and E-Commerce Development.
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$10,000+$25 - $49 / hr2 - 9Glen Mills, PA
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Elarbridge is a software development firm located in Glen Mills, Pennsylvania. Launched in 2021, the team provides Custom Software Development and Web Development.
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$5,000+$150 - $199 / hr2 - 9Abuja, Nigeria
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Custom software development firm Itmed was founded in 2018. The team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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AppTechTics is a software development company. Their team is based in Karachi, Pakistan and specializes in Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Bucharest, Romania
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Chapo Technologies is a small website development company headquartered in Bucharest, Romania. Their services include Web Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Budapest, Hungary
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AiiD Digital is a Budapest, Hungary-based web design company. Established in 2011, the team focuses on Web Design and UX/UI Design.
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$5,000+$50 - $99 / hr2 - 9Katowice, Poland
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Craftersy is a custom software development firm established in 2022. Their team offers Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Lowestoft, England
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Small e-commerce development firm Juiced Media, is in Lowestoft, England. Their services include E-Commerce Development and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Bilimora, India
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Skinfosky is a web development company. The team is headquartered in Bilimora, India, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9
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Nox Programming , an IT staff augmentation company, was established in 2021. They offers IT staff augmentation and Custom Software Development.
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$25,000+$50 - $99 / hr2 - 9
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In , Azerdon Ltd. Is a web development firm. Their services include Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9Thohoyandou, South Africa
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Violond Cloud is a small web design agency located in Thohoyandou, South Africa. Their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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Cybeasy, a custom software development company, is in Nasr City, Egypt. Launched in 2020, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Mansonville, Canada
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Webgraph Worldwide CA, a SEO services firm, was launched in 2017. The agency focuses on Search Engine Optimization and Other Digital Marketing.
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$1,000+< $25 / hr2 - 9
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Website development firm Cladsoft was founded in 2020. Headquartered in Gabtoli, Bangladesh, the team offers Web Development and E-Commerce Development.
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$25,000+$50 - $99 / hr2 - 9
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Seagull Software Development, a web development firm, was founded in 2022. Located in Bishkek, Kyrgyzstan, the team focuses on Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Brandroad Inc. Is a branding company. In Nairobi, Kenya, the agency was established in 2022. Their services include Branding and Graphic Design.
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$1,000+< $25 / hr2 - 9South Tangerang, Indonesia
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Conkara is a social media marketing agency founded in 2020. The company focuses on Social Media Marketing and Conversion Optimization, and is small.
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$1,000+$25 - $49 / hr2 - 9Lalor, Australia
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Rank Higher Experts, a web design company, was established in 2023. The team specializes in Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Dnipro, Ukraine
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ASF Agency is a web development firm established in 2023. The team offers Web Development and Web Design and is in Dnipro, Ukraine.
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$1,000+$25 - $49 / hr2 - 9Novi Sad, Serbia
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Established in 2020, Midenas is a website development firm. The company specializes in Web Development and Custom Software Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Abuja, Nigeria
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Digital Strategy company Promilux Technologies was founded in 2021. The agency provides Digital Strategy and Web Development, and is small.
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$10,000+$50 - $99 / hr2 - 9
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Adio is an UX agency launched in 2023. The small team provides UX/UI Design and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9Zürich, Switzerland
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LoboCode is a custom software development firm. Founded in 2019, their team provides Custom Software Development and Web Development.
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Undisclosed< $25 / hr2 - 9Kampala, Uganda
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Founded in 2023, Aptus Agency is a small software development firm. Their team provides Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr2 - 9Santa Monica, CA
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AZRA is a Digital Strategy company. Their team is located in Santa Monica, California and specializes in Digital Strategy and UX/UI Design.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
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38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
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38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.